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Essential Knowledge for RF Engineers: Understanding Passive Intermodulation (PIM)
Oct , 23 2025
In modern wireless communication networks, maintaining signal purity and minimizing interference are crucial for ensuring system reliability and efficiency. One of the most common yet often overlooked sources of signal degradation in RF systems is Passive Intermodulation (PIM). For engineers working in network infrastructure, understanding PIM is not just optional—it’s fundamental. What is Passive...
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Common RF Losses and Compensation Methods in Operator Network Construction
Nov , 01 2025
In the process of mobile network construction, RF loss is one of the most common and overlooked factors affecting signal quality. From base stations to antennas, every connection, cable, and passive device introduces varying degrees of attenuation. For operators aiming to improve coverage efficiency and maintain network stability, understanding and minimizing these losses is crucial. 1. Types of R...
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Directional Couplers in Public Safety and DAS Networks
Nov , 06 2025
1.The Invisible Cornerstone of Reliable Communications Directional couplers may be unassuming, yet they silently determine the efficiency of RF signal transmission across networks. From public safety systems to indoor DAS coverage, they distribute power, control signal direction, and shield equipment from mismatched loads. They serve as the “silent stabilizers” of every robust RF system. 2.Underst...
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